The Villain—the newest custom car from the CR Supercars subdivision of Classic Recreations—is an extensively reworked 1968 Ford Mustang GT390 fastback, the U.S. sports car that became legendary after costarring with Steve McQueen in the 1968 film Bullitt.

Using an original Mustang as a platform, the team at CR Supercars strips the car down to its core shell and creates new composite bodywork using a 3-D mold-making technique. The new body reduces aerodynamic drag and cuts weight, and its updated power train…